OHA Drinking Water Services
PWS ID: 00869 ---- THE DALLES, CITY OF

Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.

Alert Type Abbreviations:  CHEM = Chemical, COLI = Coliform, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  76 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date		 Alert
Date		 Source
ID		 Source Name Alert
Type		 Contaminant Result Alert
Level		 MCL Contact
Report
CHEM9454 08/18/2021 09/15/2021 EP-B EP FOR LONE PINE WELL SODIUM* SODIUM 2020
CHEM9454 08/18/2021 09/15/2021 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 4220
CHEM9454 08/18/2021 09/15/2021 EP-D EP FOR MARKS WELL SODIUM* SODIUM 4220
LCRE27587 08/01/2020 09/10/2020 EP-C EP FOR JORDAN ST WELL LCRE LCR EXCURSION2>0 09/14/2020
CHEM9043 08/11/2020 08/28/2020 EP-B EP FOR LONE PINE WELL SODIUM* SODIUM 2020
CHEM9043 08/11/2020 08/28/2020 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 4420
CHEM9043 08/11/2020 08/28/2020 EP-D EP FOR MARKS WELL SODIUM* SODIUM 4520
CHEM8636 08/14/2019 10/23/2019 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 4420
CHEM8636 08/14/2019 10/23/2019 EP-D EP FOR MARKS WELL SODIUM* SODIUM 4320
LCRE25821 08/01/2019 09/18/2019 EP-A EP FOR SOUTH FORK MILL CREEK LCRE LCR EXCURSION1>0 09/20/2019
LCRE24593 07/01/2018 01/04/2019 DIST-A Distribution System LCRE LCR EXCURSION3>0 01/08/2019
CHEM8081 08/16/2018 09/21/2018 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 4420
CHEM8081 08/16/2018 09/21/2018 EP-D EP FOR MARKS WELL SODIUM* SODIUM 4420
CHEM7729 08/23/2017 10/16/2017 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 4620
CHEM7729 08/23/2017 10/16/2017 EP-D EP FOR MARKS WELL SODIUM* SODIUM 4620
LCRE22353 07/01/2017 08/15/2017 EP-D EP FOR MARKS WELL LCRE LCR EXCURSION1>0
CHEM7366 08/23/2016 10/27/2016 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 4220
CHEM7366 08/23/2016 10/27/2016 EP-D EP FOR MARKS WELL SODIUM* SODIUM 4320
CHEM7289 08/23/2016 09/16/2016 EP-D EP FOR MARKS WELL CHEM PICLORAM 0.00010.0001 0.509/16/2016
CHEM6881 08/18/2015 09/23/2015 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 4220
CHEM6881 08/18/2015 09/23/2015 EP-D EP FOR MARKS WELL SODIUM* SODIUM 4320
CHEM6451 08/13/2014 10/01/2014 EP-B EP FOR LONE PINE WELL SODIUM* SODIUM 2020
CHEM6451 08/13/2014 10/01/2014 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 4520
CHEM6451 08/13/2014 10/01/2014 EP-D EP FOR MARKS WELL SODIUM* SODIUM 4320
CHEM6090 11/13/2013 12/06/2013 EP-D EP FOR MARKS WELL SODIUM* SODIUM 40.920
CHEM5939 08/14/2013 09/17/2013 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 44.620
CHEM5492 07/24/2012 08/28/2012 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 45.920
CHEM5492 07/24/2012 08/28/2012 EP-D EP FOR MARKS WELL SODIUM* SODIUM 42.620
CHEM5053 08/23/2011 09/22/2011 EP-D EP FOR MARKS WELL SODIUM* SODIUM 44.820
CHEM5000 07/20/2011 08/19/2011 EP-C EP FOR JORDAN ST WELL SODIUM* SODIUM 42.320
CHEM4601 11/30/2010 12/10/2010 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07840.06 0.0612/15/2010
CHEM4333 07/20/2010 09/02/2010 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 32.320
CHEM4333 07/21/2010 09/02/2010 EP-D EP MARKS WELL SODIUM* SODIUM 37.620
CHEM3776 08/18/2009 10/14/2009 EP-D EP MARKS WELL SODIUM* SODIUM 4220
CHEM3664 08/04/2009 09/04/2009 EP-A EP FOR WTP FOR FORK MILL CREEK CHEM XYLENES 0.00090.0005 1009/04/2009
CHEM3664 08/04/2009 09/04/2009 EP-B EP LONE PINE WELL SODIUM* SODIUM 20.220 09/04/2009
CHEM3664 08/04/2009 09/04/2009 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 44.920 09/04/2009
CHEM3531 05/19/2009 06/04/2009 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07480.06 0.0606/12/2009
CHEM3531 05/19/2009 06/04/2009 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07470.06 0.0606/12/2009
CHEM3202 08/19/2008 10/20/2008 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 45.120
CHEM2680 09/17/2007 10/29/2007 EP-D EP MARKS WELL SODIUM* SODIUM 41.720
CHEM2613 08/06/2007 10/01/2007 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 45.820
CHEM2336 11/07/2006 02/20/2007 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06180.06 0.06
CHEM2336 11/07/2006 02/20/2007 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06230.06 0.06
CHEM2336 11/07/2006 02/20/2007 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07470.06 0.06
CHEM2336 11/07/2006 02/20/2007 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06660.06 0.06
CHEM2181 08/28/2006 09/28/2006 EP-D EP MARKS WELL SODIUM* SODIUM 40.620
CHEM2168 08/08/2006 09/20/2006 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 43.620
CHEM2120 02/07/2006 08/04/2006 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06210.06 0.06
CHEM1876 08/23/2005 01/11/2006 EP-C EP JORDAN STREET WELL CHEM BHC-GAMMA (LINDANE) 0.0000270.00002 0.0002
COLI2259 07/25/2005 08/03/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1685 11/12/2003 07/29/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.060.06 0.06
CHEM1685 06/08/2005 07/29/2005 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 4420
CHEM1685 06/08/2005 07/29/2005 EP-D EP MARKS WELL SODIUM* SODIUM 38.620
CHEM1311 06/06/1993 03/21/2005 LCR COPPER 90TH % VALUE 1.861.35
CHEM1031 10/13/2004 12/10/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.050.06 0.06
CHEM995 02/10/2004 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0590.06 0.06
CHEM995 02/10/2004 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0510.06 0.06
CHEM995 02/10/2004 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0460.06 0.06
CHEM995 02/10/2004 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0530.06 0.06
CHEM995 02/04/2003 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0690.06 0.06
CHEM995 02/04/2003 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0620.06 0.06
CHEM995 02/04/2003 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0620.06 0.06
CHEM995 02/04/2003 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.060.06 0.06
CHEM995 05/10/2004 11/19/2004 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0480.06 0.06
COLI1639 10/27/2004 11/05/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM932 09/08/2004 10/19/2004 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 46.320
CHEM932 09/08/2004 10/19/2004 EP-D EP MARKS WELL SODIUM* SODIUM 40.720
CHEM829 06/21/2004 08/11/2004 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 44.820
CHEM829 06/22/2004 08/11/2004 EP-D EP MARKS WELL SODIUM* SODIUM 39.820
COLI753 10/20/2003 11/04/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM510 07/30/2003 09/10/2003 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 44.720
CHEM510 07/30/2003 09/10/2003 EP-D EP MARKS WELL SODIUM* SODIUM 41.520
COLI449 07/29/2003 08/07/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM180 07/31/2002 10/22/2002 EP-C EP JORDAN STREET WELL SODIUM* SODIUM 42.720
CHEM180 07/31/2002 10/22/2002 EP-D EP MARKS WELL SODIUM* SODIUM 43.120
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
05/22/2002Coliform
10/09/2000Coliform
08/07/1995Coliform
07/18/1994Coliform
08/18/1993D--WELL #3 (MARKS)Gross Beta Particle Activity25.9 50
05/28/1991C--WELL #2 (JORDAN STREET)Manganese0.028
05/28/1991D--WELL #3 (MARKS)Manganese0.053
08/30/2000CA--WELL #2 (JORDAN STREET)Sodium47.3
08/30/2000DA--WELL #3 (MARKS)Sodium42.4
09/14/1999CA--WELL #2 (JORDAN STREET)Sodium40.8
09/14/1999DA--WELL #3 (MARKS)Sodium37.1
08/11/1998CA--WELL #2 (JORDAN STREET)Sodium42.4
08/11/1998DA--WELL #3 (MARKS)Sodium36.5
08/26/1997C--EP JORDAN STREET WELLSodium43
09/04/1996D--EP MARKS WELLSodium38.9
08/14/1996CA--WELL #2 (JORDAN STREET)Sodium48.9
06/26/1995CA--WELL #2 (JORDAN STREET)Sodium28.5
06/26/1995DA--WELL #3 (MARKS)Sodium28
07/06/1994CA--WELL #2 (JORDAN STREET)Sodium42.2
07/06/1994DA--WELL #3 (MARKS)Sodium35.2
08/02/1993CA--WELL #2 (JORDAN STREET) - WELL #2 (JORSodium44.4
06/14/1993DA--WELL #3 (MARKS) - WELL #3 (MARKS)Sodium34.4
06/10/1992C--WELL #2 (JORDAN STREET)Sodium41.9
05/27/1992D--WELL #3 (MARKS)Sodium36
05/28/1991C--WELL #2 (JORDAN STREET)Sodium42.8
05/28/1991D--WELL #3 (MARKS)Sodium35.9
06/14/1993BA--WELL #1 (LONE PINE) - WELL #1 (LONE PIThallium Total0.0012 0.002


For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3916
Information by county:
Inventory :: Surface Water Systems :: Water System Surveys :: Outstanding Performers :: Plan Reviews :: System Scores :: Exceedances
Alerts :: Violations :: Compliance & Enforcement :: Significant Deficiencies :: Cross Connection ASRs :: Treatment Plant Inspections :: Fluoride
Water Advisories :: Contact Reports :: Cyanotoxins :: Post-wildfire VOCs
Inventory List for all Oregon Drinking Water Systems in Excel or printable screen format
Lab Help: Tools for Laboratories :: Staff/Partner Login
Introduction :: Data Search Options :: WS Name Look Up :: WS ID Look Up :: DWS Home